Ahead of closing arguments for writer E. Jean Carroll’s defamation trial against Donald Trump set to begin Friday, January 26, legal analyst Lisa Rubin explained what happened inside of the courtroom Thursday as the former president unexpectedly testified. “This is a day that I thought would really never come,” Rubin told MSNBC host Alicia Menendez. “I have told you, and I have told MSNBC viewers for weeks that I never thought Donald Trump would stake the stand. And so for me, the moment traumatic moment was at 2:15 today when [Trump attorney] Alina Habba said ‘the defense calls President Dona…